Răspuns:
A. 14/8-7/8=7/8; 11/8-4/8=7/8; 20/8-13/8=7/8
B. 3/3-1/3=2/3; 4/3-2/3=2/3; 8/3-6/3=2/3
C. 20/10-11/10=9/10; 10/10-1/10=9/0; 19/10-10/10=9/10
D. 13/100-3/100=10/100; 20/100-10/100=10/100; 24/100-14/100=10/100
E. 15/7-10/7=5/7; 12/7-7/7=5/7; 8/7-3/7=5/7
F. 20/6-15/6=5/6; 9/6-4/6=5/6; 7/6-2/6=5/6
